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Iso-electronic species defination

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Iso-electronic species defination

    • Posted by Rohit Kumar 6 years, 11 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Yogita Ingle 6 years, 11 months ago

    Species (atoms or ions) with same number of electrons are called iso-electronic species.
    Number of electrons in Cl⁻ = 17+1 = 18  

    Atom  Atomic number   Ion  Number of electrons
     
     Sulphur    		  
    16    		  
    S⁻²    		  
    16 + 2 = 18
      
     Potassium
         		  
    19    		  
    K⁺¹    		  
    19 - 1 = 18

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